<template>
    <el-container class="home-container">
        <el-header>
            <div>
                <img src="../assets/heima.png" alt="">
                <span>电商后台管理系统</span>
            </div>
            <el-button type="info" @click="logout">退出</el-button>
        </el-header>
        <el-container>
            <el-aside :width="isCollapse ? '64px' : '200px'">
                <div class="toggle-button" @click="toggleCollapse">|||</div>
                <el-menu background-color="#333744" text-color="#fff"
                active-text-color="#409EFF" unique-opened :collapse="isCollapse"
                :collapse-transition="false" router default-active="activePath">
                <!--一级菜单-->
      <el-submenu :index="item.id+''" v-for="item in menulist" :key="item.id">
        <template slot="title">
          <i :class="iconsObj[item.id]"></i>
          <span>{{item.authName}}</span>
        </template>
        <el-menu-item :index="'/'+subItem.path " v-for="subItem in item.children" 
            :key="subItem.id" @click="saveNavState('/'+subItem.path)">
            <template slot="title" >
                <i class="el-icon-menu"></i>
                <span>{{subItem.authName  }}</span>
            </template>
        </el-menu-item>
    </el-submenu>
    </el-menu>
            </el-aside>
            <el-main>
                <router-view></router-view>
            </el-main>
        </el-container>
    </el-container>
</template>
<script>
export default {
    data(){
        return{
            menulist:[],
            iconsObj:{
                '125':'iconfont icon-user',
                '103':'iconfont icon-tijikongjian',
                '101':'iconfont icon-shangpin',
                '102':'iconfont icon-danju',
                '145':'iconfont icon-baobiao'
            },
            isCollapse:false,
            activePath:''
   }
    },
        created(){
        this.getMenuList()
        this.activePath= window.sessionStorage.getItem('activePath')
        },
methods:  {
    logout(){
        window.sessionStorage.clear();
        this.$router.push("login");
    },
    async getMenuList(){
       const {data:res} =  await this.$https.get('menus')
       if(res.meta.status !=200)return this.$message.error(res.meta.msg)
       this.menulist=res.data
       console.log(res)
    },
    toggleCollapse(){
        this.isCollapse=!this.isCollapse
    },
    saveNavState(activePath){
        window.sessionStorage.setItem('activePath',activePath)
        this.activePath = activePath
    }
}
}
</script>
<style lang="less" scoped>
.home-container{
    height:100%;
}
.el-header{
    background-color: #373d41;
    display:flex;
    justify-content: space-between;
    padding-left: 0;
    align-items:center;
    color:#fff;
    font-size: 20rpx;
    div{
        display:flex;
        align-items:center;
        span{
            margin-left: 15rpx;
        }
    }
}
.el-aside{
    background-color:  #333744;
    .el-menu{
        border-right: none;
    }
}
.el-main{
    background-color:  #eaedf1;
}
.iconfont{
    margin-right:10px;
}

.toggle-button{
    background-color: #4a5064;
    font-size: 10px;
    line-height:24px ;
    color:#fff;
    text-align: center;
    letter-spacing: 0.2em;
    cursor: pointer;
}
</style>